Local Calling Guide
Area code/prefix search
Colby, WI
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
715-721 | 7 | CRVTWIXA4MD | 508J CENTURYLINK COMMUNICATIONS, LLC | 350 | 2014-11-26 | ||
715-721 | 8 | STPTWI01HMD | 7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI | 350 | 2018-11-09 | ||
715-721 | 9 | MNSHWIDQCM0 | 6274 UNITED STATES CELLULAR - WI | 350 | 2019-06-24 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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